Backgrounds. Luminal B molecular type breast carcinoma is characterized by ER+, PR+, HER2+/- with high Ki-67 (>20%). The clinicopathological characteristics of luminal B invasive breast carcinoma of no special type varied, from age, menopausal status, parity, and histopathology grade. The aim of this study is to determine the relationship between clinicopathological characteristics with luminal…